Seiko Cal. 7013 - 819

The 7013-819 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7013 caliber with 36j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-a1e41eec28fc]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1978

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